Easily Import Unlimited AliExpress reviews back to your store through below article Guidelines. 

Step-1. Go to Admin Panel -> Go to the "Apps" 

Step-2. After going into the application, Go to the Reviews -> Import Aliexpress Review

Step-3. You will see the below page. Now, 

First, give the URL of AliExpress product, 

Secondly, select the same product from your store,

Then apply all necessary action as per your requirements.

* Note:-

1. You can import unlimited reviews but in 10-10 segments. ( You can import 10 reviews at a time), to import more reviews follow the same procedure again.

Example:- Suppose there are 50 reviews of a single product then you need to repeat procedure 5 times.

2. AliExpress product URL must be from Desktop Version. (If you doing this importing procedure through phone then you will get an error so Open AliExpress store in Desktop and take product URL of which reviews you want to import in your Shopify store.)

3. You can import a maximum of 100 reviews from Aliexpress.

You will see many filter options as shown in the below image.

Rating: You can import reviews of specific ratings only.

Content filters: Import reviews with text content, with pictures else with both.

Translation settings: Check the checkbox if you want to translate all reviews from any other language to English.

Approve all reviews: If you check the checkbox of "Approve all reviews" then all reviews will automatically approve and will be displayed on the front-end side. You do not need to verify each review one by one.

After all procedure click on Import Review Button to import the first 10 reviews of selected product.

Go through this video about How to import reviews from aliexpress to shopify with review app